Bulevirtide

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Bulevirtide
Bulevirtide.svg
Clinical data
Trade namesHepcludex
Other namesMyrB, Myrcludex-B[1]
License data
Routes of
administration		Subcutaneous injection
ATC code
Legal status
Legal status
  • EU: Rx-only [2]
Identifiers
CAS Number
  • 2012558-47-1
DrugBank
UNII
KEGG
ChEMBL
Chemical and physical data
FormulaC248H355N65O72
Molar mass5398.951 g·mol−1

Bulevirtide, sold under the brand name Hepcludex, is an antiviral medication for the treatment of chronic hepatitis D (in the presence of hepatitis B).[2]

The most common side effects include raised levels of bile salts in the blood and reactions at the site of injection.[2]

Bulevirtide works by attaching to and blocking a receptor (target) through which the hepatitis delta and hepatitis B viruses enter liver cells.[2] By blocking the entry of the virus into the cells, it limits the ability of HDV to replicate and its effects in the body, reducing symptoms of the disease.[2]

Bulevirtide was approved for medical use in the European Union in July 2020.[2]

Medical uses[]

Bulevirtide is indicated for the treatment of chronic hepatitis delta virus (HDV) infection in plasma (or serum) HDV-RNA positive adult patients with compensated liver disease.[2][3]

Pharmacology[]

Mechanism of action[]

Bulevirtide binds and inactivates the sodium/bile acid cotransporter, blocking both viruses from entering hepatocytes.[4]

The hepatitis B virus uses its surface lipopeptide pre-S1 for docking to mature liver cells via their sodium/bile acid cotransporter (NTCP) and subsequently entering the cells. Myrcludex B is a synthetic N-acylated pre-S1[5][6] that can also dock to NTCP, blocking the virus's entry mechanism.[7]

The drug is also effective against hepatitis D because the hepatitis D virus is only infective in the presence of a hepatitis B virus infection.[7]

References[]

  1. ^ Deterding, K.; Wedemeyer, H. (2019). "Beyond Pegylated Interferon-Alpha: New Treatments for Hepatitis Delta". AIDS Reviews. 21 (3): 126–134. doi:10.24875/AIDSRev.19000080. PMID 31532397.
  2. ^ a b c d e f g "Hepcludex EPAR". European Medicines Agency (EMA). 26 May 2020. Retrieved 12 August 2020. Text was copied from this source which is © European Medicines Agency. Reproduction is authorized provided the source is acknowledged.
  3. ^ "Summary of opinion: Hepcludex" (PDF). European Medicines Agency. 28 May 2020.
  4. ^ Francisco, Estela Miranda (29 May 2020). "Hepcludex". European Medicines Agency. Retrieved 6 August 2020.
  5. ^ Volz T, Allweiss L, Ben MBarek M, Warlich M, Lohse AW, Pollok JM, et al. (May 2013). "The entry inhibitor Myrcludex-B efficiently blocks intrahepatic virus spreading in humanized mice previously infected with hepatitis B virus". Journal of Hepatology. 58 (5): 861–7. doi:10.1016/j.jhep.2012.12.008. PMID 23246506.
  6. ^ Abbas Z, Abbas M (August 2015). "Management of hepatitis delta: Need for novel therapeutic options". World Journal of Gastroenterology. 21 (32): 9461–5. doi:10.3748/wjg.v21.i32.9461. PMC 4548107. PMID 26327754.
  7. ^ a b Spreitzer H (14 September 2015). "Neue Wirkstoffe – Myrcludex B". Österreichische Apothekerzeitung (in German) (19/2015): 12.

External links[]

  • "Bulevirtide". Drug Information Portal. U.S. National Library of Medicine.


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